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Citizen Science

Londoners rally to measure plastic’s hidden impact on the Thames

Thousands of wet wipes flushed down toilets are shedding plastic into the river and changing the shape of the riverbed    Date of release: Monday…

Published 26th February 201819th April 2018 Published in Media Releases

Thames21 finds a record 1,300 bottles on one site in one day, in Thamesmead

Communications Manager Ian Lamont reports on a discovery of a huge number of single us plastic bottles in Thamesmead and explains how it fits into…

Published 6th July 201729th November 2017 Published in Blog

Outfall safaris are tackling river pollution – and you can help as a citizen scientist!

Joe Pecorelli, the Zoological Society of London’s Europe Conservation Project Manager, tells us about work running across the capital to prioritise and map sources of…

Published 2nd May 201713th January 2022 Published in Blog

4,500 wet wipes found in one patch of Thames foreshore

Shock findings reveal that the Thames has the highest concentration of wet wipes ever recorded in Britain – with 277 found in just one square metre. Over 4,500…

Published 10th April 20176th February 2023 Published in Latest news

Largest citizen science Thames event of the year will measure hidden plastic menace

Large mounds are changing the shape of the Thames foreshore. On April 1, the day before the Boat Race, the public will help measure how much…

Published 23rd March 20172nd October 2017 Published in Media Releases

Thames21 data features on London TV as London Assembly investigates impact of plastic bottles

This Wednesday was an even busier one than usual for Thames21. We were interviewed by both London Live and BBC London about the huge problem…

Published 24th February 20178th June 2018 Published in Latest news
Thames21 honours its volunteers with special celebration and talk from author Tom Bolton

Thames21 honours its volunteers with special celebration and talk from author Tom Bolton

  Thames21 celebrated the ‘exponential impact’ of our volunteers last night at Wapping riverside pub the Prospect of Whitby. Entitled ‘Lost and Found in our…

Published 2nd December 20162nd December 2016 Published in Latest news

2,500 bottles stranded on the shore

By AJ McConville, Thames River Watch Programme Coordinator 2,500 plastic drinking bottles. That’s the number of single-use plastic drinks bottles collected from the Thames foreshore…

Published 25th November 201629th November 2020 Published in Blog, Thames River Watch
Thames21 to receive support from FatFace in Chelsea during Black Friday week

Thames21 to receive support from FatFace in Chelsea during Black Friday week

Date of release: November 17th, 2016 The Chelsea branch of FatFace, the clothing and gifts outlet, has chosen Thames21 as their “Thanks for Giving” charity…

Published 17th November 201618th November 2016 Published in Media Releases

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  • Hand wearing a blue glove holds a water sample positioned between two Hanna checkers in a nature background
    Water quality data collected by volunteers used to fix sewage pollution
    In 2024, volunteers from the River Ching Action Group discovered a massive spike in the concentration of ammonia during their regular water quality testing. They passed the data on to the Environment Agency and Thames Water, and...
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    Thames21
    THAMES21

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